David Harris wrote: > > > Can you parallel a small value resistor? > David > Not that I am aware of. The resistances (photocell vs fixed) are just too far apart at that point so even if I figure out the correct values, the curve will be very noticeably non-linear. Cheers, -Neil. --- [This E-mail scanned for viruses] -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads